Review on 🔹 Diamond Porcelain Ceramic Terrazoo Surfaces" - optimized product name: "Terrazoo Diamond Porcelain Ceramic Surfaces by Brian Krump

Used this bit to cut through a marble kitchen and a quartz kitchen countertop, one for a soap dispenser and one for a fist water filter, I just used some water and a slow speed of about 800rpm and through both Plate cut I liked the center nozzle with ease so I didn't have to make a starter block and once I was about 1/4" down I used a hex wrench, removed the center nozzle and continued with just a 1 1/8 diamond bit alone. Each recommended and the racquet is still like new so it still has a lot of holes to cut.